问题
名词解释
Pavlov值
答案
参考答案：Pavlov值 颈椎管与颈椎体矢状径的比值。
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Pavlov值
参考答案：Pavlov值 颈椎管与颈椎体矢状径的比值。
It was Dragon Boat Festival（端午节）last Saturday and we had a three-day __41__. I didn't have a good sleep __42__ work days. __43__ I decided to be in bed for a long time on the first day. I __44__ very late and then I went to play computer games. In the afternoon, I went to the beach with my parents. The beach was a little __45__, but we still had great fun playing in the water. The second morning, I went to the __46__ and read some English books. Because I want to learn English well. In the afternoon, I went to visit Alice and we __47__ some math questions. The last day, we went to the Great Wall. Those old and long __48__ made me think a lot. We __49__ many photos there and we also had a picnic. We were all tired __50__ we got home.
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